March 21, 1956 - Speeches and band music were the order of the day inside the old Waldo Tunnel yesterday, but outside, cannon boomed, jet fighters swooped and an Army M-47 tank roared around. It was all part of the ceremony opening the new tunnel, which doubles Marin approaches to the Golden Gate Bridge.

Photo: Duke Downey, The Chronicle

March 21, 1956 - Speeches and band music were the order of the day...

March 21, 1956 - Speeches and band music were the order of the day... Photo-1887422.33388 - SFGate

Feb 25, 1992 - The views were terrific as a tourboat did a U-turn just outside the Golden Gate Bridge. Both tourists and commuters alike were treated to spring-like weather even as the sun set in the west.

Photo: Brant Ward, The Chronicle

Feb 25, 1992 - The views were terrific as a tourboat did a U-turn...

Feb 25, 1992 - The views were terrific as a tourboat did a U-turn... Photo-1887436.33388 - SFGate

April 5, 1987 - Golden Gate Bridge shot from the top of the South Tower.

Photo: Deanne Fitzmaurice, The Chronicle

April 5, 1987 - Golden Gate Bridge shot from the top of the South...

April 5, 1987 - Golden Gate Bridge shot from the top of the South... Photo-1887451.33388 - SFGate

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June 15, 1988 - Miguel Sanchez is pouring and smoothing out cement at the base of the Golden Gate Bridge (North Side). This is just the beginning of a new trail that will go from the bridge to Sausalito being built with Federal and local Parks funds.

For the roadway construction of the Golden Gate Bridge, Strauss insisted on the addition of the $130,00 safety net.

Photo: Www.goldengate75.org

For the roadway construction of the Golden Gate Bridge, Strauss...

For the roadway construction of the Golden Gate Bridge, Strauss... Photo-2957825.33388 - SFGate

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Portrait of the Golden Gate Bridge "Halfway to Hell Club" Date not known. San Francisco Chronicle archive photos of the Golden Gate Bridge construction and opening to the public. The city of San Francisco will celebrate the Golden Gate Bridge's 75th anniversary on Sunday, May 27, 2012.

The Golden Gate Bridge under construction on September 24, 1936. San Francisco Chronicle archive photos of the Golden Gate Bridge construction and opening to the public. The city of San Francisco will celebrate the Golden Gate Bridge's 75th anniversary on Sunday, May 27, 2012.

Photo: San Francisco Chronicle

The Golden Gate Bridge under construction on September 24, 1936....

The Golden Gate Bridge under construction on September 24, 1936.... Photo-3044171.33388 - SFGate

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Construction of the Golden Gate Bridge on January 10, 1937. San Francisco Chronicle archive photos of the Golden Gate Bridge construction and opening to the public. The city of San Francisco will celebrate the Golden Gate Bridge's 75th anniversary on Sunday, May 27, 2012.

Ed Stanley drives the golden rivet to mark the completion of the $35,000,000 Golden Gate Bridge spanning the entrance to San Francisco Bay, Ca., April 29, 1937. Holding the rivet is Ed Murphy and leaning over them is Joseph B. Strauss, chief engineer of the project.

Aerial photo of the Golden Gate Bridge. Library envelope says opening day, but the bridge cables still appear to have construction platforms on them. San Francisco Chronicle archive photos of the Golden Gate Bridge construction and opening to the public. The city of San Francisco will celebrate the Golden Gate Bridge's 75th anniversary on Sunday, May 27, 2012.San Francisco Chronicle archive photos of the Golden Gate Bridge construction and opening to the public. The city of San Francisco will celebrate the Golden Gate Bridge's 75th anniversary on Sunday, May 27, 2012.

Photo of chain being cut on the opening day of the Golden Gate Bridge. San Francisco Chronicle archive photos of the Golden Gate Bridge construction and opening to the public. The city of San Francisco will celebrate the Golden Gate Bridge's 75th anniversary on Sunday, May 27, 2012.

Photo: San Francisco Chronicle

Photo of chain being cut on the opening day of the Golden Gate...

Photo of chain being cut on the opening day of the Golden Gate... Photo-2957816.33388 - SFGate

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Grand opening of the Golden Gate Bridge on May 27, 1937. San Francisco Chronicle archive photos of the Golden Gate Bridge construction and opening to the public. The city of San Francisco will celebrate the Golden Gate Bridge's 75th anniversary on Sunday, May 27, 2012.

Auto parade on the opening day of the Golden Gate Bridge heading southbound on May 27, 1937. San Francisco Chronicle archive photos of the Golden Gate Bridge construction and opening to the public. The city of San Francisco will celebrate the Golden Gate Bridge's 75th anniversary on Sunday, May 27, 2012.

Photo: San Francisco Chronicle

Auto parade on the opening day of the Golden Gate Bridge heading...

Auto parade on the opening day of the Golden Gate Bridge heading... Photo-2957822.33388 - SFGate

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Golden Gate Bridge opening day photo taken from the north tower on May 27, 1937. San Francisco Chronicle archive photos of the Golden Gate Bridge construction and opening to the public. The city of San Francisco will celebrate the Golden Gate Bridge's 75th anniversary on Sunday, May 27, 2012.

Photo: San Francisco Chronicle

Golden Gate Bridge opening day photo taken from the north tower on...

Golden Gate Bridge opening day photo taken from the north tower on... Photo-3044169.33388 - SFGate

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Pedestrians walk across the Golden Gate Bridge on May 27, 1937. San Francisco Chronicle archive photos of the Golden Gate Bridge construction and opening to the public. The city of San Francisco will celebrate the Golden Gate Bridge's 75th anniversary on Sunday, May 27, 2012.

Photo: San Francisco Chronicle

Pedestrians walk across the Golden Gate Bridge on May 27, 1937. San...

Aerial photo of Golden Gate Bridge with fog in Marin on unknown date. Library envelope says opening day, but there is no foot traffic and minimal vehicle traffic on the bridge. San Francisco Chronicle archive photos of the Golden Gate Bridge construction and opening to the public. The city of San Francisco will celebrate the Golden Gate Bridge's 75th anniversary on Sunday, May 27, 2012.San Francisco Chronicle archive photos of the Golden Gate Bridge construction and opening to the public. The city of San Francisco will celebrate the Golden Gate Bridge's 75th anniversary on Sunday, May 27, 2012.

The reflection of the Golden Gate Bridge is made in the rain drops from the on going needed showers, Monday March 2, 2009, in San Francisco, Calif.

Photo: Lacy Atkins, The Chronicle

The reflection of the Golden Gate Bridge is made in the rain drops...

The reflection of the Golden Gate Bridge is made in the rain drops... Photo-3097824.33388 - SFGate

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The evening fog curled up in a ball like cotton candy as a near full moon cast a broad beam of light that spread over The Golden Gate Bridge .May 7, 2009.

Photo: Frederic Larson, The Chronicle

The evening fog curled up in a ball like cotton candy as a near...

The evening fog curled up in a ball like cotton candy as a near... Photo-3097825.33388 - SFGate

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Bicycle riders takes the West side sidewalk across the bridge.

Photo: Michael Macor, The Chronicle

Bicycle riders takes the West side sidewalk across the bridge.

Bicycle riders takes the West side sidewalk across the bridge. Photo-3097827.33388 - SFGate

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The full moon set seemingly on the deck of the Golden Gate Bridge during Wednesday commute hour (6:35am) seen from Treasure Island on September 26, 2007.

Photo: Frederic Larson, The Chronicle

The full moon set seemingly on the deck of the Golden Gate Bridge...

The full moon set seemingly on the deck of the Golden Gate Bridge... Photo-3097828.33388 - SFGate

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The comet Hale-Bopp is seen low on the horizon Wednesday evening, March 26, 1997 looking northwest over San Francisco's Golden Gate bridge. This photo was made with a 300mm lens exposed with a lens opening of F2.8 for 15 seconds on 800 ASA film pushed one stop.

Photo: Frederic Larson, The Chronicle

The comet Hale-Bopp is seen low on the horizon Wednesday evening,...

The comet Hale-Bopp is seen low on the horizon Wednesday evening,... Photo-3097830.33388 - SFGate

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Fog engulfed the bay where only sites of the Golden Gate bridge can be seen at the highest points of Marin Headlands.

Photo: Frederic Larson, The Chronicle

Fog engulfed the bay where only sites of the Golden Gate bridge can...

Fog engulfed the bay where only sites of the Golden Gate bridge can... Photo-3097831.33388 - SFGate

The morning rains stirred up the ocean at Bakers Beach as heavy dark rain clouds moved in over the hills of Marin and the Golden Gate Bridge. 4/7/05

Photo: Frederic Larson, The Chronicle

The morning rains stirred up the ocean at Bakers Beach as heavy...

The morning rains stirred up the ocean at Bakers Beach as heavy... Photo-3097834.33388 - SFGate

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The morning commute over the Golden Gate bridge was lit with north and south bound traffic. 4/7/05

Photo: Frederic Larson, The Chronicle

The morning commute over the Golden Gate bridge was lit with north...

The morning commute over the Golden Gate bridge was lit with north... Photo-3097835.33388 - SFGate

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The sun casts a late afternoon shadow of the Golden Gate Bridge south tower on the bay. 4/26/05

Photo: Frederic Larson, The Chronicle

The sun casts a late afternoon shadow of the Golden Gate Bridge...

The sun casts a late afternoon shadow of the Golden Gate Bridge... Photo-3097836.33388 - SFGate

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The south tower of the Golden Gate Bridge took on a reflection of it's own as the heavy fog reflected its own image. The dense fog causethe Bay Area morning commute to come to a crawl. 11/18/04

Photo: Frederic Larson, The Chronicle

The south tower of the Golden Gate Bridge took on a reflection of...

The south tower of the Golden Gate Bridge took on a reflection of... Photo-3097837.33388 - SFGate

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A high pressure system developing off the coast means the Bay Area will get plenty of sunshine and warm tempertures. The Bay Area woke up to a golden November sky over the Golden Gate Bridge at sunrise.

Photo: Frederic Larson, The Chronicle

A high pressure system developing off the coast means the Bay Area...

A high pressure system developing off the coast means the Bay Area... Photo-3097838.33388 - SFGate

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Early morning fog whips the top of the north tower of the Golden Gate Bridge on May 8, 2012 in San Francisco, Calif.

Photo: Mike Kepka, The Chronicle

Early morning fog whips the top of the north tower of the Golden...

Early morning fog whips the top of the north tower of the Golden... Photo-2957809.33388 - SFGate

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Ryan Young (10) center and his scout mate Jason Martin (10) (right) dodge the high surf at Fort Point under the Golden Gate Bridge during a Boy Scout hike with their troop from Santa Clara. All the boys in the hike found some enjoyment in playing in the high surf hitting the rocks off Fort Point from the recent weather. A brief let up rain forced many outside enjoying the calm before another storm blows in the Bay Area this week.

The September low hugging fog slowly makes its way under the Golden Gate Bridge seen at Fort Baker during sunrise.

Photo: Frederic Larson, The Chronicle

The September low hugging fog slowly makes its way under the Golden...

The September low hugging fog slowly makes its way under the Golden... Photo-3097840.33388 - SFGate

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During the morning commute motorist drove through the pot of gold which was on the Golden Gate Bridge followed by a beautiful rainbow. Its either sunny or rainy but rainbow weather in the Bay Area the Monday after the Thanksgiving Holiday week.

Photo: Frederic Larson, The Chronicle

During the morning commute motorist drove through the pot of gold...

During the morning commute motorist drove through the pot of gold... Photo-3097842.33388 - SFGate

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The Golden Gate Bridge south tower had a backdrop of white fog as seen from vista point north end.

Photo: Frederic Larson, The Chronicle

The Golden Gate Bridge south tower had a backdrop of white fog as...

The Golden Gate Bridge south tower had a backdrop of white fog as... Photo-3097843.33388 - SFGate

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A full moon rises over the Golden Gate Bridge as the bridge's north tower frames the TransAmerica Pyramid on April 20, 2008.

Photo: Frederic Larson, The Chronicle

A full moon rises over the Golden Gate Bridge as the bridge's north...

A full moon rises over the Golden Gate Bridge as the bridge's... Photo-3097844.33388 - SFGate

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The sun rises over the Golden Gate Bridge seen from the Marin Headlands.

Photo: Frederic Larson, SFC

The sun rises over the Golden Gate Bridge seen from the Marin...

The sun rises over the Golden Gate Bridge seen from the Marin... Photo-3097846.33388 - SFGate

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Seen from the Marin headlands rising over the north tower of the Golden Gate Bridge was both the crescent moon and the planet Venus pairing up within minutes of each other during the morning twilight on March 5, 2008.

Photo: Frederic Larson, The Chronicle

Seen from the Marin headlands rising over the north tower of the...

Seen from the Marin headlands rising over the north tower of the... Photo-3097847.33388 - SFGate

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A patch of rust shows through layers of International Orange paint on the Golden Gate Bridge on May 1, 2012 in San Francisco, Calif.

Photo: Mike Kepka, The Chronicle

A patch of rust shows through layers of International Orange paint...

A patch of rust shows through layers of International Orange paint... Photo-2957806.33388 - SFGate

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After three demonstrators unfurl banners in protest of China's crackdown in Tibet after scaling the south tower of the Golden Gate Bridge this morning a bridge worker cut the banner (top center) on April 7, 2008.

Photo: Frederic Larson, The Chronicle

After three demonstrators unfurl banners in protest of China's...

After three demonstrators unfurl banners in protest of China's... Photo-3097848.33388 - SFGate

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Chased by a blanket of fog, an early morning bike commuter crosses the Golden Gate Bridge near the north tower on May 8, 2012 in San Francisco, Calif.

Photo: Mike Kepka, The Chronicle

Chased by a blanket of fog, an early morning bike commuter crosses...

Chased by a blanket of fog, an early morning bike commuter crosses... Photo-2960491.33388 - SFGate

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A streamlined fog bank hides the south end of the Golden Gate Bridge on May 8, 2012 in San Francisco, Calif.

Photo: Mike Kepka, The Chronicle

A streamlined fog bank hides the south end of the Golden Gate...

A streamlined fog bank hides the south end of the Golden Gate... Photo-2957804.33388 - SFGate

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Posted in the event of May Day protests, California Highway Patrol Officers standby at the base of the south tower on the Golden Gate Bridge on May 1, 2012 in San Francisco, Calif.

Photo: Mike Kepka, The Chronicle

Posted in the event of May Day protests, California Highway Patrol...

Posted in the event of May Day protests, California Highway Patrol... Photo-2957807.33388 - SFGate

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Adriene McBeth, visiting from Washington D.C., practices Tai Chi at the south end of the Golden Gate Bridge on May 1, 2012 in San Francisco, Calif.